Answer:
Possession of inherited adaptations that maximize fitness.
Explanation:
Basically ones that are best adapted for their environment. (I'm assuming "he" is Darwin?)
The hypothalamus synthesizes and secretes certain hormones called releasing hormones which stimulate the secretion of pituitary hormones.
The hypothalamus gland uses the nervous system and secretes hormones which sends messages to the pituitary hormones.
I'm pretty sure they are called autosomes
Answer: genetics!!!!!
Explanation: If you both have blonde hair you wouldnt be able to give to a brown hair child!!! If you both have straight hair then your child shouldn’t have curly hair , it’s not possible.